1. Steel strip arrives at the can manufacturing plant in large coils. Metal plates shipped to cannery in large rolls
2. Steel strip is cut into large sheets
The web is cut into large sheets
3. Lacquer is applied to the side of the sheets that will become the internal surfaces of the finished cans. This special lacquer is to protect the can itself from corrosion and from any possibility of interaction between the contents and the metal.
The paint is applied on the side that will be the inside surface of the can, and the paint is used to prevent the metal itself from rusting or reacting with the contents.
4. The lacquered sheets are dried in an oven.
The paint film is dried in the drying tunnel
5. The large sheets are slit into small sheets, one for each can body.
The sheet is divided into small pieces and each piece is made into a can body
6. Each small sheet is rolled into a cylinder.
Each piece is rolled into a cylinder
7. The cylinder edges are welded by squeezing them together Ì„ passing electric current through them. This heats up the metal cheerful for a sound joint to be made.
The two sides of the roll squeeze together to pass the current, which heats the metal surface and firmly welds the two sides of the metal together
8. The inside surface of the weld is sprayed with lacquer and then cured by blowing heated air on to the outside of the cans.
Cans are sprayed on the inner wall and blown hot air outside the tank to make it dry
9. The cans are passed through a flanger where the top and bottom of the can are flanged outwards to accept the ends.
The can body is formed with a squeegee to fold the top and bottom of the can to join the bottom of the can
10. Plain ends are seamed to the can bodies to close one end of every can.
Each can body is rolled together with a can bottom
11. The cans are passed through a beader where the walls of the cans have rounded beads formed in them to give added strength.
The cans are rolled on a can by a tumbling machine to increase the can body strength
12. Every can is tested at each stage of manufacture.
At the final stage they pass through a pressure tester, which automatically rejects any cans with pinholes or fractures
Jars are tested at every production stage. Finally, the can passes a pressure detector and automatically eliminates pinholes or burst jars.
13. The finished can bodiesare then transferred to the warehouse to be automatically palletised before despatch to the filling plant.
Finished tanks are transported to warehouses and palletized automatically for shipment to the filling plant
Jia Teng Glassware can be used for Milk , which is very important in our daily life. In a sense, it means nutrition and health to us. Our products are made of borosilicate glass and it is mainly exported to the United States and many European countries. With high quality and nice looking, it got good feedback from the world market. Borosilicate glass is a strong heat-resistant glass traditionally used to make scientific lab glass. It is simply a different type of glass that is resistant to temperature swings and scratching. It is dishwasher and microwave safe, also free for BPA, Lead and Mercury.
JIATENG GLASS is an experienced innovator in the design, manufacture and supply of high-quality borosilicate glassware. Located in the [China Glassware Hometown", Hejian city of Hebei province, we produce a complete line of borosilicate glass products, including Double/Single Wall Glass Cup, Teapot, Wine Bottle, Glass Jar , Water carafe, French press, Water Bottle, Glass Dome, Decanter, Candlesticks, etc. All products are made of high borosilicate glass without BPA, Lead & Mercury and purely hand-blown. It can withstand a wide range of temperature from-30℃to 530℃ without changing its shape or cracking.
Qualified with ISO9001, LFGB and SGS certificates, our products have been exported to over 20 countries, mainly in Europe, North America, East Asia, The Middle East and Southeast Asia.
JIATENG GLASS are created with simplicity in mind, using environmental material in the design to increase the quality of people's lives. We look forward to continuing our commitment to excellence and innovation for our customers for many more years to come!
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Hejian Jia Teng Glass Products Co., Ltd. , http://www.jtglassware.com